diff --git a/app/Controllers/Article/Processible.php b/app/Controllers/Article/Processible.php
index a259982..7364cf6 100644
--- a/app/Controllers/Article/Processible.php
+++ b/app/Controllers/Article/Processible.php
@@ -107,44 +107,70 @@ class Processible extends BaseController
 
 
   // 지역별 수량 저장
-  public function saveArea()
-  {
-    try {
+    public function saveArea()
+    {
+      log_message('info', '[Processible::saveArea] 진입');
+      try {
+        $rows = $this->request->getPost('rows');
+        $rows = json_decode($rows, true);
 
-      $rows = $this->request->getPost('rows');
-      $rows = json_decode($rows, true);
-
-      // dd($rows);
-      // exit;
-
-      if (count($rows) > 0) {
-
-        foreach ($rows as $row):
-          $this->model->saveArea($row);
-        endforeach;
-
-        return $this->response->setJSON([
-          'code' => '0',
-          'msg' => 'success'
-        ]);
-
-      } else {
+        if (count($rows) > 0) {
+          // API 형식으로 변환 및 DB 저장을 한 번에 처리
+          $syncSlotData = [];
+          foreach ($rows as $row) {
+            // DB 저장
+            $this->model->saveArea($row);
+            // 동시에 API 데이터 구성
+            $syncSlotData[] = [
+              'baseDate' => $row['sc_date'],
+              'legalDivisionNumber' => $row['region_cd'],
+              'slots' => [
+                'am' => [
+                  'max' => (int) $row['am_cnt'],
+                  'reserved' => 0
+                ],
+                'pm' => [
+                  'max' => (int) $row['pm_cnt'],
+                  'reserved' => 0
+                ]
+              ]
+            ];
+          }
+          log_message('info', '[Processible::saveArea] 슬롯 동기화 시작 | Count: ' . count($syncSlotData));
+          $naverClient = new \App\Libraries\NaverApiClient();
+          $apiResponse = $naverClient->syncSiteSlot($syncSlotData);
+          // API 응답 처리
+          if ($apiResponse === null) {
+            log_message('error', '[Processible::saveArea] Naver API 슬롯 동기화 실패 | Data: ' . json_encode($syncSlotData, JSON_UNESCAPED_UNICODE));
+            return $this->response->setJSON([
+              'code' => '1',
+              'msg' => '저장은 완료되었으나 네이버 슬롯 동기화에 실패했습니다. 로그를 확인하세요.',
+              'syncData' => $syncSlotData,
+              'hint' => '로그 위치: writable/logs/ 에서 ERROR 확인'
+            ]);
+          }
+          log_message('info', '[Processible::saveArea] Naver API 슬롯 동기화 성공 | Response: ' . json_encode($apiResponse, JSON_UNESCAPED_UNICODE));
+          return $this->response->setJSON([
+            'code' => '0',
+            'msg' => 'success',
+            'syncData' => $syncSlotData,
+            'apiResponse' => $apiResponse
+          ]);
+        } else {
+          log_message('info', '[Processible::saveArea] 저장가능한 데이터가 없습니다.');
+          return $this->response->setJSON([
+            'code' => '9',
+            'msg' => '저장가능한 데이터가 없습니다.'
+          ]);
+        }
+      } catch (\Exception $e) {
+        log_message('error', '[Processible::saveArea] 예외: ' . $e->getMessage());
         return $this->response->setJSON([
           'code' => '9',
-          'msg' => '저장가능한 데이터가 없습니다.'
+          'msg' => $e->getMessage(),
         ]);
       }
-
-
-    } catch (\Exception $e) {
-      return $this->response->setJSON([
-        'code' => '9',
-        'msg' => $e->getMessage(),
-      ]);
     }
-  }
-
-  // 기본 수량 저장
   public function saveCount()
   {
     try {
diff --git a/app/Libraries/NaverApiClient.php b/app/Libraries/NaverApiClient.php
index c183343..4899e69 100644
--- a/app/Libraries/NaverApiClient.php
+++ b/app/Libraries/NaverApiClient.php
@@ -518,11 +518,19 @@ class NaverApiClient
 
         $response = curl_exec($ch);
         $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+        $curlError = curl_error($ch);
+        $curlErrno = curl_errno($ch);
         curl_close($ch);
 
+        // CURL 오류 체크
+        if ($curlErrno !== 0) {
+            log_message('error', "[Naver API $method CURL ERROR] URL: $url | Error ($curlErrno): $curlError");
+            return null;
+        }
+
         // 결과 로그 기록 (성공/실패 모두 기록하여 추적 가능하게 함)
         if ($httpCode === 200 || $httpCode === 202) {
-            log_message('info', "[Naver API $method SUCCESS] URL: $url | Response: $response");
+            log_message('info', "[Naver API $method SUCCESS] URL: $url | Code: $httpCode | Response: $response");
         } else {
             log_message('error', "[Naver API $method FAIL] URL: $url | Code: $httpCode | Response: $response");
             return null;
diff --git a/app/Models/article/ProcessibleModel.php b/app/Models/article/ProcessibleModel.php
index 8db44c2..be7415e 100644
--- a/app/Models/article/ProcessibleModel.php
+++ b/app/Models/article/ProcessibleModel.php
@@ -303,4 +303,21 @@ class ProcessibleModel extends Model
       'affected_rows' => $this->db->affectedRows()
     ];
   }
+
+  /**
+   * 슬롯 동기화
+   * 
+   */
+  public function getSyncSlotData($baseDate, $region_cd)
+  {
+    
+    $sql = "SELECT sc_date, region_cd, am_cnt, pm_cnt, day_cnt FROM service_count WHERE sc_date = ? AND region_cd IN ?";
+    $datas = [
+      $baseDate,
+      $region_cd
+    ];
+    $query = $this->db->query($sql, $datas);
+    return $query->getResultArray();
+    
+  }
 }
\ No newline at end of file
diff --git a/app/Views/pages/article/processible/datecount.php b/app/Views/pages/article/processible/datecount.php
index 8ec0505..c9a78c3 100644
--- a/app/Views/pages/article/processible/datecount.php
+++ b/app/Views/pages/article/processible/datecount.php
@@ -87,7 +87,7 @@
 
         <div class="d-flex gap-1 ms-auto">
           <button class="btn btn-sm btn-outline-success" id="excel-download" type="button">
-            <i class="fa fa-fw" aria-hidden="true" title="file-excel-o"></i> 엑셀다운로드
+            <i class="fa fa-fw" aria-hidden="true" title="file-excel-o"></i> 엑셀다운로드
           </button>
           <button class="btn btn-sm btn-outline-light" type="button" id="btnSearch">
             조회